I currently have some code using jQuery Deferred and ajax to call remote api and get the data and put in localStorage and get data from localStorage. This code seems buggy the first time it runs (i.e. it doesn’t render the data until browser refresh) but it works perfectly after that until the cache expires and same problem again the
Tag: promise
Returning result from asynchronous function using callbacks
I have to write the body of a function getABC() which essentially has to take in responses from 3 different functions, getA()(synchronous),getB(callback)(callback driven),getC() (promise based). Ultimately I have to return a promise aggregating each function’s result, like [(result of getA),(result of getB),(result of getC)]. I am pasting the snippet of the code down below: ` I cannot edit any other
How to refactor an async function with Promise inside of it
Having this async function that returns a Promise: I’m not sure if it really needs to contain new Promise inside as it is already declared as async function. Is it mandatory in this case? Because when that part was removed and at the end instead of return resolve({…}) it is only return {…} it seems to not settle. Here is
Replace fetch link with html button
This code is designed to take a data from API, convert it to JSON and display it in the HTML page (with a specific design). There are two buttons on the HTML page that are for changing the page (to change the page, the URL sent to fetch needs to be changed by clicking the buttons (which is where my
Order of Async function calls
I’m making a React App for my Football team to keep track of Payments and Debts for each Member. I’m trying to search the database for Records for each Season and delete a Member if no records are found. Currently the Member gets deleted then the database searched. This is the code block (it can also be seen with the
Why do async await and Promise.all have the same running time?
I have created three Promises as follows and awaited them, expecting them to take 6000 milliseconds: But, I have received an unexpected console message as follows. As I know, each await has 2000ms of running time. But, It doesn’t. In this case, what is the difference between my code above using async/await and the code below using Promise.all? Answer In
how to properly handle input dependent async data calls in react component?
I am currently building some apps using Typescript and React. To this date i have used some smelly workarounds for the following situation which i would like to get rid of. Maybe you know a better way of doing such. The Setup: Having a React Component which sould display data which is fetched from server on user input. Example use
How to wait for Promise.all() to complete before reaching next line?
I’m learning Node.js. I have to call an async function work() inside my Promise.all() loop and it must be completed before moving on to statements that are after the Promise.all(). Currently, it reaches the FINISH statment before completing work(). What is the right way to make the code wait for work() function to complete? Answer It’s hard to tell what
How to perform React state update after a form submission and API fetch
I have React class component called SearchLocationForm.js which is a child of App.js. Inside of the SearchLocationForm.js I have this code below I am trying to figure out how I can use the setState() method to update the component state with the API response, and afterwards lift that up to the App.js component in order to make subsequent calls. I
promise doesn’t work, how to use catch in this way? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 6 months ago. Improve this question